GB2359198B - Duplexer and antenna aparatus using the same - Google Patents

Duplexer and antenna aparatus using the same

Info

Publication number
GB2359198B
GB2359198B GB0031740A GB0031740A GB2359198B GB 2359198 B GB2359198 B GB 2359198B GB 0031740 A GB0031740 A GB 0031740A GB 0031740 A GB0031740 A GB 0031740A GB 2359198 B GB2359198 B GB 2359198B
Authority
GB
United Kingdom
Prior art keywords
aparatus
duplexer
antenna
same
antenna aparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0031740A
Other versions
GB2359198A (en
GB0031740D0 (en
Inventor
Tooru Ogino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of GB0031740D0 publication Critical patent/GB0031740D0/en
Publication of GB2359198A publication Critical patent/GB2359198A/en
Application granted granted Critical
Publication of GB2359198B publication Critical patent/GB2359198B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transceivers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Support Of Aerials (AREA)
GB0031740A 1999-12-28 2000-12-28 Duplexer and antenna aparatus using the same Expired - Fee Related GB2359198B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37436999A JP2001189604A (en) 1999-12-28 1999-12-28 Shared transmitter/receiver and antenna device using the same

Publications (3)

Publication Number Publication Date
GB0031740D0 GB0031740D0 (en) 2001-02-07
GB2359198A GB2359198A (en) 2001-08-15
GB2359198B true GB2359198B (en) 2004-02-11

Family

ID=18503736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0031740A Expired - Fee Related GB2359198B (en) 1999-12-28 2000-12-28 Duplexer and antenna aparatus using the same

Country Status (4)

Country Link
US (1) US6462719B1 (en)
JP (1) JP2001189604A (en)
AU (1) AU775406B2 (en)
GB (1) GB2359198B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100442453B1 (en) * 2001-10-31 2004-07-30 김영준 nX Antenna for wireless communication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6008707A (en) * 1993-11-18 1999-12-28 Murata Manufacturing Co., Ltd. Antenna duplexer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05327319A (en) 1992-05-25 1993-12-10 Taiyo Yuden Co Ltd Antenna multicoupler
JPH08213835A (en) 1995-02-06 1996-08-20 Toyo Commun Equip Co Ltd Antenna in common use for two frequencies
JP3158963B2 (en) * 1995-05-31 2001-04-23 株式会社村田製作所 Antenna duplexer
US5708448A (en) * 1995-06-16 1998-01-13 Qualcomm Incorporated Double helix antenna system
JPH11312903A (en) * 1997-10-28 1999-11-09 Murata Mfg Co Ltd Dielectric filter, dielectric duplexer and communication equipment
JPH11312907A (en) 1997-12-18 1999-11-09 Matsushita Electric Ind Co Ltd Matching circuit chip, filter with matching circuit, shared equipment and mobile object communication equipment
JP3353717B2 (en) * 1998-09-07 2002-12-03 株式会社村田製作所 Dielectric filter, dielectric duplexer and communication device
JP3344333B2 (en) * 1998-10-22 2002-11-11 株式会社村田製作所 Dielectric antenna with built-in filter, dielectric antenna with built-in duplexer, and wireless device
US6249255B1 (en) * 1999-04-30 2001-06-19 Nokia Mobile Phones, Limited Antenna assembly, and associated method, having parasitic element for altering antenna pattern characteristics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6008707A (en) * 1993-11-18 1999-12-28 Murata Manufacturing Co., Ltd. Antenna duplexer

Also Published As

Publication number Publication date
JP2001189604A (en) 2001-07-10
AU7249100A (en) 2001-07-05
US6462719B1 (en) 2002-10-08
AU775406B2 (en) 2004-07-29
GB2359198A (en) 2001-08-15
GB0031740D0 (en) 2001-02-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20091228